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I was reading the "Eat Right for Your Blood Type" book, and Dr. D'Adamo states that SWEETCORN should be avoided by O blood types, but what about other kinds of corn? I have read mixed articles stating all corn is forbidden and only sweetcorn is forbidden. Any suggestions or any info you care to share?

I think he was specifying the sweet corn, in addition to the cornmeal already listed in the grains section, so that you don't think of "corn on the cob" as a neutral vegetable, and disticnt from teh cornmeal that needs to be avoided.

Again D'Adamo kind of contradicted himself in his first book, mentioning that SWEETCORN is to be avoided, yet there are other types of corn so what about those types... do we avoid them too?

YES!

Since you quoted ER4YT, under Vegetables, Corn, Yellow and Corn, White are both Avoids. At the start of the O chapter, Corn is listed as an avoid, with no specification of what variance. Everywhere anything corn is listed it is avoid, so I think everything corn is avoid...

C- I'm not seeing corn listed, as a vegetable here, only as grain so what does this mean, has corn as a vegetable (like corn on the cob or frozen corn) changed?I am an "O" and have not been eating it, but have been missing it, sometimes. thanks

I think a point to remember is that no matter what stage of development the corn is, it has the lectin... So whatever types the lectin is harmful for should avoid all corn, at all stages, in any form...

Few foods are cross-referenced in different food tables. Is garlic a vegetable or a spice? Is mint a spice or a tea? Why is chocolate a spice and carob a vegetable protien? They're virtually interchangable in recipes!

If you find a food listed anywhere on the lists, then that's the value for that food, no matter how you actually use it. Fresh mint leaves in your salad follow the value for "mint tea" in the beverage section.

C- I'm not seeing corn listed, as a vegetable here, only as grain so what does this mean, has corn as a vegetable (like corn on the cob or frozen corn) changed?I am an "O" and have not been eating it, but have been missing it, sometimes. thanks

Under the "grain" heading, corn is listed separately as "corn", "corn meal", and "popcorn"; I would think that the first one (just "corn") would be corn the vegetable that you're questioning. It's an avoid for O's.

"sweetcorn" was mentioned in Eat Right 4 Your Type. With each published book, Dr D got better about organizing the food lists. Now you'll just find "corn" in the typebase listed in the "grain" section. http://www.dadamo.com/typebase4/depictor5.pl?11

According to typebase, corn is neutral for A secretors and an "avoid" for A non-secretors. Secretor status is different from rhesus status. A+ means you have blodo type A and are positive for Rh. You don't know your secretor status if you haven't specifically tested for it.

If you don't know your secretor status, Dr D recommends that you start by following the secretor diet. That would make corn a neutral for you. That means you can eat it, but it's not the healthiest choice for you- it's neutral, not beneficial. You can eat it in moderation, but try to emphasize the beneficial foods as much as possible.

Since most corn is genetically modified (GMO) I strongly suggest that you stick to "certified GMO free" or organic (which is also, by definition, GMO-free) if you're going to eat corn.